From patchwork Mon Sep 24 07:32:05 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Subject: rtc: i.MX dryice: Add devicetree support Date: Sun, 23 Sep 2012 21:32:05 -0000 From: Sascha Hauer X-Patchwork-Id: 186312 Message-Id: <1348471925-30677-1-git-send-email-s.hauer@pengutronix.de> To: rtc-linux@googlegroups.com Cc: Alessandro Zummo , kernel@pengutronix.de, , Sascha Hauer Add devicetree probing, fixing some whitespace damage along the way. Signed-off-by: Sascha Hauer --- Documentation/devicetree/bindings/rtc/imx-di.txt | 21 +++++++++++++++++++++ drivers/rtc/rtc-imxdi.c | 12 +++++++++--- 2 files changed, 30 insertions(+), 3 deletions(-) create mode 100644 Documentation/devicetree/bindings/rtc/imx-di.txt diff --git a/Documentation/devicetree/bindings/rtc/imx-di.txt b/Documentation/devicetree/bindings/rtc/imx-di.txt new file mode 100644 index 0000000..635a753 --- /dev/null +++ b/Documentation/devicetree/bindings/rtc/imx-di.txt @@ -0,0 +1,21 @@ +* i.MX25 dryice Real Time Clock controller + +This RTC is part of the i.MX25 dryice module. Documentation for this +unit is not publically available. This binding only makes use of the +RTC. + +Required properties: +- compatible: should be "fsl,imx25-rtc" +- reg: physical base address of the controller and length of memory mapped + region. + +Optional properties: +- interrupts: interrupt source for the dryice module + +Example: + + dryice@53ffc000 { + compatible = "fsl,imx25-dryice", "fsl,imx25-rtc"; + reg = <0x53ffc000 0x4000>; + interrupts = <25>; + }; diff --git a/drivers/rtc/rtc-imxdi.c b/drivers/rtc/rtc-imxdi.c index 891cd6c..b2fe920 100644 --- a/drivers/rtc/rtc-imxdi.c +++ b/drivers/rtc/rtc-imxdi.c @@ -493,11 +493,17 @@ static int __devexit dryice_rtc_remove(struct platform_device *pdev) return 0; } +static const struct of_device_id of_dryice_rtc_match[] = { + { .compatible = "fsl,imx25-rtc", }, + { }, +}; + static struct platform_driver dryice_rtc_driver = { .driver = { - .name = "imxdi_rtc", - .owner = THIS_MODULE, - }, + .name = "imxdi_rtc", + .owner = THIS_MODULE, + .of_match_table = of_dryice_rtc_match, + }, .remove = __devexit_p(dryice_rtc_remove), };